diff --git a/requirements.txt b/requirements.txt
index 81ec69f..12e60e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ matplotlib==3.2.2
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.7
-notebook==6.0.3
+notebook==6.4.1
 numpy==1.19.0
 opencv-python==4.2.0.34
 packaging==20.4